Kubuntu is an official flavour of the Ubuntu operating system which uses the KDE Plasma Desktop instead of the Unity graphical environment. Developed by Canonical Ltd
License: Open Source
Zorin OS is tailored for users transitioning from Windows, offering a more familiar interface and ease of use, while Kubuntu provides a highly customizable environment suited for advanced users and developers. Both distributions are built on Ubuntu but cater to different audiences with unique strengths.